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Loans - Loans Individually and Collectively Evaluated for Impairment (Details) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |
Nonaccrual and accruing TDRs | $ 92,233 | $ 106,050
Loans individually evaluated for impairment | 56,564 | 70,426
Loans collectively evaluated for impairment | 35,669 | 35,624
Commercial, financial and agricultural |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Nonaccrual and accruing TDRs | 18,064 | 20,657
Loans individually evaluated for impairment | 18,039 | 20,624
Loans collectively evaluated for impairment | 25 | 33
Commercial real estate |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Nonaccrual and accruing TDRs | 18,142 | 24,474
Loans individually evaluated for impairment | 18,142 | 24,474
Loans collectively evaluated for impairment | 0 | 0
Commercial |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Nonaccrual and accruing TDRs | 1,324 | 2,226
Loans individually evaluated for impairment | 1,324 | 2,226
Loans collectively evaluated for impairment | 0 | 0
Mortgage |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Nonaccrual and accruing TDRs | 100 | 104
Loans individually evaluated for impairment | 0 | 0
Loans collectively evaluated for impairment | 100 | 104
Installment |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Nonaccrual and accruing TDRs | 52 | 156
Loans individually evaluated for impairment | 0 | 0
Loans collectively evaluated for impairment | 52 | 156
Commercial |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Nonaccrual and accruing TDRs | 19,059 | 23,102
Loans individually evaluated for impairment | 19,059 | 23,102
Loans collectively evaluated for impairment | 0 | 0
Mortgage |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Nonaccrual and accruing TDRs | 27,607 | 27,925
Loans individually evaluated for impairment | 0 | 0
Loans collectively evaluated for impairment | 27,607 | 27,925
HELOC |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Nonaccrual and accruing TDRs | 2,618 | 2,456
Loans individually evaluated for impairment | 0 | 0
Loans collectively evaluated for impairment | 2,618 | 2,456
Installment |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Nonaccrual and accruing TDRs | 1,202 | 1,253
Loans individually evaluated for impairment | 0 | 0
Loans collectively evaluated for impairment | 1,202 | 1,253
Consumer |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Nonaccrual and accruing TDRs | 4,065 | 3,697
Loans individually evaluated for impairment | 0 | 0
Loans collectively evaluated for impairment | $ 4,065 | $ 3,697

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- Definition Financing receivable recorded investment nonaccrual and accruing restructured loans. + References No definition available. + Details
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- Definition Financing Receivable Recorded Investment Nonaccrual And Accruing Restructured Loans, Collectively Evaluated for Impairment + References No definition available. + Details
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